单词 | conductor |
释义 | conductor (once / 433 pages) 1n 2n 3n A train conductor is the person who takes tickets, shouts "All aboard!" and might control the engine, while a musical conductor is the one who leads an orchestra. Same job title — not the same person. From the Latin root conducere, meaning "bring together," a conductor does just that. A music conductor makes sure all the musicians come in at the right time and tempo, and a train conductor brings together all of the passengers. Another type of conductor is something that passes on electricity or heat, like a metal spoon, a conductor of heat when left in a pot that's simmering on the stove. WORD FAMILYconductor: conductors, nonconductor, semiconductor+/conduct: conducted, conducting, conduction, conductive, conductor, conducts, misconduct/conducting: non-conducting, nonconducting, semiconducting/conduction: conductions/conductive: conductively, conductivity, nonconductive, semiconductive/conductivity: conductivities, superconductivity/misconduct: misconducted, misconducting, misconducts/nonconductor: nonconductors/semiconductor: semiconductors USAGE EXAMPLESDo you remember when you first decided you wanted to be a conductor? Washington Post(Dec 20, 2016) Rail travellers are facing yet more disruption as Southern conductors begin a further three-day strike at midnight. BBC(Dec 30, 2016) According to the Skagit County sheriff’s report, the train conductor and engineer saw the car approaching the crossing. Seattle Times(Dec 28, 2016) 1 n the person who leads a musical group 2Syn|Exp|Hypo|Hyper director, music director Leonard Bernstein United States conductor and composer (1918-1990) Lord Britten of Aldeburghmajor English composer of the 20th century; noted for his operas (1913-1976) Arthur Fiedlerpopular United States conductor (1894-1979) Paul HindemithGerman neoclassical composer and conductor who believed that music should have a social purpose (1895-1963) Sergei Aleksandrovich KoussevitzkyUnited States conductor (born in Russia) who was noted for performing the works of contemporary composers (1874-1951) Leonard Constant LambertEnglish composer and conductor (1905-1951) Gustav MahlerAustrian composer and conductor (1860-1911) Eugene OrmandyUnited States conductor (born in Hungary) (1899-1985) Seiji OzawaUnited States conductor (born in Japan in 1935) Leopold Antoni Stanislaw StokowskiUnited States conductor (born in Britain) (1882-1977) George SzellUnited States conductor (born in Hungary) (1897-1970) Arturo ToscaniniItalian conductor of many orchestras worldwide (1867-1957) Bruno WalterGerman conductor (1876-1962) Baron Karl Maria Friedrich Ernst von WeberGerman conductor and composer of romantic operas (1786-1826) Sir Henry Joseph WoodEnglish conductor (1869-1944) Benjamin David GoodmanUnited States clarinetist who in 1934 formed a big band (including black as well as white musicians) and introduced a kind of jazz known as swing (1909-1986) Woodrow Charles HermanUnited States jazz musician and bandleader (1913-1987) Alton Glenn MillerUnited States bandleader of a popular big band (1909-1944) Arthur Jacob ArshawskyUnited States clarinetist and leader of a swing band (1910-2004) John Philip Sousaa United States bandmaster and composer of military marches (1854-1932) bandleader the leader of a dance band bandmasterthe conductor of a band drum majorthe leader of a marching band or drum corps drum majorette, majorettea female drum major musician artist who composes or conducts music as a profession n the person who collects fares on a public conveyance 3Hypo|Hyper conductress a woman conductor accumulator, collector, gatherer a person who is employed to collect payments (as for rent or taxes) 1n a substance that readily conducts e.g. electricity and heat Ant|Hypo|Hyper dielectric, insulator, nonconductor a material such as glass or porcelain with negligible electrical or thermal conductivity Cu, atomic number 29, copper a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor Ag, atomic number 47, silvera soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography semiconducting material, semiconductora substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities Ge, atomic number 32, germaniuma brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite Si, atomic number 14, silicona tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors blister copperan impure form of copper having a black blistered surface coin silvera silver of the degree of purity established for making legal silver coins material, stuff the tangible substance that goes into the makeup of a physical object 2n a device designed to transmit electricity, heat, etc. Hypo|Hyper bus, busbar an electrical conductor that makes a common connection between several circuits cable, line, transmission linea conductor for transmitting electrical or optical signals or electric power cord, electric corda light insulated conductor for household use electrodea conductor used to make electrical contact with some part of a circuit heat sinka metal conductor specially designed to conduct (and radiate) heat lightning conductor, lightning roda metallic conductor that is attached to a high point and leads to the ground; protects the building from destruction by lightning semiconductor, semiconductor device, semiconductor unita conductor made with semiconducting material bypass, electrical shunt, shunta conductor having low resistance in parallel with another device to divert a fraction of the current wave guide, waveguidea hollow metal conductor that provides a path to guide microwaves; used in radar conducting wire, wirea metal conductor that carries electricity over a distance anodea positively charged electrode by which electrons leave an electrical device base(electronics) the part of a transistor that separates the emitter from the collector cathodea negatively charged electrode that is the source of electrons entering an electrical device chip, micro chip, microchip, microprocessor chip, silicon chipelectronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit coax, coax cable, coaxial cablea transmission line for high-frequency signals collectorthe electrode in a transistor through which a primary flow of carriers leaves the region between the electrodes crystal rectifier, diode, junction rectifier, semiconductor diodea semiconductor that consists of a p-n junction electrical cablea cable that provides an electrical connection for telephone or television or power stations electron gunthe electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it emitterthe electrode in a transistor where electrons originate extension cordan electric cord used to extend the length of a power cord fiber optic cable, fibre optic cablea cable made of optical fibers that can transmit large amounts of information at the speed of light filamenta thin wire (usually tungsten) that is heated white hot by the passage of an electric current control grid, gridan electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube booster cable, jumper cable, jumper lead, leada jumper that consists of a short piece of wire lead-inwire connecting an antenna to a receiver or a transmitter to a transmission line n-type semiconductora semiconductor in which electrical conduction is due chiefly to the movement of electrons patchcorda length of wire that has a plug at each end; used to make connections at a patchboard power corda cord to conduct power to an electrical appliance power cable, power linecable used to distribute electricity printer cablea cable between a computer and a printer p-type semiconductora semiconductor in which electrical conduction is due chiefly to the movement of positive holes telegraph line, telegraph wire, telephone line, telephone wirethe wire that carries telegraph and telephone signals thermal resistor, thermistora semiconductor device made of materials whose resistance varies as a function of temperature; can be used to compensate for temperature variation in other components of a circuit electronic transistor, junction transistor, transistora semiconductor device capable of amplification device an instrumentality invented for a particular purpose |
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